<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>Document</title>
    <link rel="stylesheet" href="./css/bootstrap.min.css">
    <script src="./js/jquery.min.js"></script>
    <script src="./js/bootstrap.min.js"></script>
    <style>
        .row {
            border: 1px solid red;
        }

        .frank {
            margin: 50px;
        }
    </style>
</head>

<body>
    <div class="container">
        <div class="row">
            <div class="col-md-12">
                <nav class="navbar navbar-default">
                    <div class="container-fluid">
                        <!-- Brand and toggle get grouped for better mobile display -->
                        <div class="navbar-header">
                            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                                data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                                <span class="sr-only">Toggle navigation</span>
                                <span class="icon-bar"></span>
                                <span class="icon-bar"></span>
                                <span class="icon-bar"></span>
                            </button>
                            <a class="navbar-brand" href="#">Brand</a>
                        </div>

                        <!-- Collect the nav links, forms, and other content for toggling -->
                        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                            <ul class="nav navbar-nav">
                                <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
                                <li><a href="#">Link</a></li>
                                <li class="dropdown">
                                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button"
                                        aria-haspopup="true" aria-expanded="false">Dropdown <span
                                            class="caret"></span></a>
                                    <ul class="dropdown-menu">
                                        <li><a href="#">Action</a></li>
                                        <li><a href="#">Another action</a></li>
                                        <li><a href="#">Something else here</a></li>
                                        <li role="separator" class="divider"></li>
                                        <li><a href="#">Separated link</a></li>
                                        <li role="separator" class="divider"></li>
                                        <li><a href="#">One more separated link</a></li>
                                    </ul>
                                </li>
                            </ul>
                            <form class="navbar-form navbar-left">
                                <div class="form-group">
                                    <input type="text" class="form-control" placeholder="Search">
                                </div>
                                <button type="submit" class="btn btn-default">Submit</button>
                            </form>
                            <ul class="nav navbar-nav navbar-right">
                                <li><a href="#">Link</a></li>
                                <li class="dropdown">
                                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button"
                                        aria-haspopup="true" aria-expanded="false">Dropdown <span
                                            class="caret"></span></a>
                                    <ul class="dropdown-menu">
                                        <li><a href="#">Action</a></li>
                                        <li><a href="#">Another action</a></li>
                                        <li><a href="#">Something else here</a></li>
                                        <li role="separator" class="divider"></li>
                                        <li><a href="#">Separated link</a></li>
                                    </ul>
                                </li>
                            </ul>
                        </div><!-- /.navbar-collapse -->
                    </div><!-- /.container-fluid -->
                </nav>
            </div>
        </div>
        <div class="row">
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
            <div class="col-lg-1 col-md-2 col-sm-3 col-xs-6">.col-md-1</div>
        </div>
        <div class="row">
            <div class="col-md-12">
                <h1>h1. Bootstrap heading <small>Secondary text</small></h1>
                <h2>h2. Bootstrap heading <small>Secondary text</small></h2>
                <h3>h3. Bootstrap heading <small>Secondary text</small></h3>
                <h4>h4. Bootstrap heading <small>Secondary text</small></h4>
                <h5>h5. Bootstrap heading <small>Secondary text</small></h5>
                <h6>h6. Bootstrap heading <small>Secondary text</small></h6>
            </div>
        </div>
        <div class="row">
            <div class="col-md-12">
                <table class="table table-hover">
                    <thead>
                        <tr>
                            <th>#</th>
                            <th>First Name</th>
                            <th>Last Name</th>
                            <th>Username</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <th scope="row">1</th>
                            <td>Mark</td>
                            <td>Otto</td>
                            <td>@mdo</td>
                        </tr>
                        <tr>
                            <th scope="row">2</th>
                            <td>Jacob</td>
                            <td>Thornton</td>
                            <td>@fat</td>
                        </tr>
                        <tr>
                            <th scope="row">3</th>
                            <td>Larry</td>
                            <td>the Bird</td>
                            <td>@twitter</td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
        <div class="row">
            <div class="col-md-12  hidden-xs">
                <form class="form-horizontal">
                    <div class="frank">
                        <div class="form-group">
                            <label for="inputEmail3" class="col-sm-2 control-label">Email</label>
                            <div class="col-sm-10">
                                <input type="email" class="form-control" id="inputEmail3" placeholder="Email">
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="inputPassword3" class="col-sm-2 control-label">Password</label>
                            <div class="col-sm-10">
                                <input type="password" class="form-control" id="inputPassword3" placeholder="Password">
                            </div>
                        </div>
                        <div class="form-group">
                            <div class="col-sm-offset-2 col-sm-10">
                                <div class="checkbox">
                                    <label>
                                        <input type="checkbox"> Remember me
                                    </label>
                                </div>
                            </div>
                        </div>
                        <div class="form-group">
                            <div class="col-sm-offset-2 col-sm-10">
                                <button type="submit" class="btn btn-default">Sign in</button>
                            </div>
                        </div>
                    </div>
                </form>/div>
            </div>
            <div class="row">
                <div class="col-md-3">
                    <button type="button" class="btn btn-default">
                        <span class="glyphicon glyphicon-registration-mark"></span>
                    </button></div>
                <div class="col-md-9 col-md-offset-2">
                    <div class="row">
                        <div class="col-md-6">1</div>
                        <div class="col-md-6">2</div>
                    </div>
                </div>
            </div>
        </div>
</body>

</html>